Added a configuration to define the redirection after archiving an entry

Fix #496

docs/en/user/configuration.rst

@@ -27,6 +27,15 @@ Reading speed
 wallabag calculates a reading time for each article. You can define here, thanks to this list, if you are
 a fast or a slow reader. wallabag will recalculate the reading time for each article.
 
+Where do you want to be redirected after mark an article as read?
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Each time you'll do some actions (after marking an article as read/favorite,
+after deleting an article, after removing a tag from an entry), you can be redirected:
+
+- To the homepage
+- To the current page
+
 Language
 ~~~~~~~~